Speaker



FIG. 1 is a front elevational view of a speaker showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is a partially enlarged front elevational view thereof, taken from FIG. 1; and,

FIG. 10 is a partially enlarged front perspective view thereof, taken from FIG. 7.

The dot-dash broken lines of FIGS. 1, 7, 9 and 10 are included to show partially enlarged views only and form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 